Hello {{$user->first_name}}{{$user->last_name?' '.$user->last_name:''}},
Hope this message finds you well. A new referral has just been submitted via our website from {{$input['referring_by']}} to {{config('app.name')}}.
Please take a moment to review the details and follow up with the client accordingly. If you have any questions or need further information, feel free to reach out.
Thank you for your prompt attention to this matter.
Thanks,
{{config('app.name')}}